GM Parts

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GM 12 Bolt Pinion Seal

$18.27

GM 12 Bolt Pinion Seal

Product Code: 58904

Pinion Seal

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GM 12 Bolt Rear Cover Gasket

$5.20

GM 12 Bolt Rear Cover Gasket

Product Code: 58901

Rear cover gasket

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GM 12 Bolt Ring Gear Bolt Kit

$78.91

GM 12 Bolt Ring Gear Bolt Kit

Product Code: 58900

3/8"-24, 12 point 9/16" hex, .350" grip length, drilled for safety wire (set of 12)

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GM 12 Bolt Solid Preload Spacer

$47.00

GM 12 Bolt Solid Preload Spacer

Product Code: 58905

Made of heat treated 4140 steel. Requires machining to install.

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GM 12 Bolt Truck Installation Kit

$181.35

GM 12 Bolt Truck Installation Kit

Product Code: 83-1018

Includes shims and bearings for pinion and carrier, pinion seal, crush sleeve, ring gear bolts, pinion nut and washer, cover gasket, gear marking compound, and brush

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GM 12-Bolt Aluminum Spool

$654.00

GM 12-Bolt Aluminum Spool

Product Code: 53158

MW 35-spline, for GM 12 Bolt, with bearings

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GM 12-Bolt Carrier Shim Kit

$95.00

GM 12-Bolt Carrier Shim Kit

Product Code: 58925

Special inner shim with assortment of standard carrier shims.

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GM 12-Bolt Eaton Posi-Traction

$598.20

GM 12-Bolt Eaton Posi-Traction

Product Code: 19554

GM 12 Bolt, 30 spline, for 3.08 to 4.10 ratios, series 3

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GM 12-Bolt Eaton Posi-Traction

$648.40

GM 12-Bolt Eaton Posi-Traction

Product Code: 19555

GM 12 Bolt, 30 spline, series 4

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GM 12-Bolt Eaton Posi-Traction

$648.36

GM 12-Bolt Eaton Posi-Traction

Product Code: 19556

GM 12 Bolt, 30 spline, series 4

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